What is the cheapest airline that flies from San Diego to Barcelona?

KLM, Delta, and British Airways are the most popular carriers operating from San Diego to Barcelona

What airlines fly to Barcelona?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Barcelona from San Diego according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Barcelona?

Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Diego Airport to Barcelona?

The number of operators available for flights from San Diego Airport to Barcelona is 8 as of January 2026.

How old do you have to be to fly from San Diego Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$238 Cheap Flights from San Diego to Barcelona in 2026

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Find the cheapest flights from San Diego to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 11:10 am

SAN

BCN

19h 40m

2 stops

11:30 am - 9:59 pm

BCN

SAN

18h 29m

1 stop

$473British Airways

Wed, Mar 4 - Mon, Mar 9

6:35 pm - 11:05 pm

SAN

BCN

20h 30m

1 stop

9:10 am - 12:14 am

BCN

SAN

23h 04m

2 stops

$476Lufthansa

Wed, Mar 11 - Fri, Mar 20

7:00 am - 8:00 am

SAN

BCN

16h 00m

1 stop

9:30 am - 8:48 pm

BCN

SAN

19h 18m

1 stop

$477Virgin Atlantic

Mon, Feb 23 - Tue, Mar 10

6:00 pm - 5:55 pm

SAN

BCN

14h 55m

1 stop

9:35 am - 6:23 pm

BCN

SAN

16h 48m

1 stop

$478American Airlines

Mon, Feb 23 - Wed, Mar 11

6:35 pm - 5:35 pm

SAN

BCN

15h 00m

1 stop

7:40 am - 12:14 am

BCN

SAN

24h 34m

2 stops

$479Lufthansa

Tue, Mar 10 - Fri, Mar 20

11:03 am - 11:05 pm

SAN

BCN

28h 02m

2 stops

7:40 am - 12:14 am

BCN

SAN

24h 34m

2 stops

$480Lufthansa

Wed, Mar 11 - Fri, Mar 20

10:30 pm - 9:00 am

SAN

BCN

25h 30m

1 stop

10:30 am - 2:41 pm

BCN

SAN

37h 11m

1 stop

$481United Airlines

Mon, Feb 23 - Sun, Mar 8

7:00 am - 7:00 am

SAN

BCN

16h 00m

1 stop

6:00 am - 1:05 pm

BCN

SAN

15h 05m

1 stop

$482KLM

Mon, Mar 16 - Tue, Mar 24

2:11 pm - 11:05 pm

SAN

BCN

24h 54m

2 stops

7:40 am - 12:14 am

BCN

SAN

24h 34m

2 stops

$483Lufthansa

Tue, Mar 10 - Fri, Mar 20

6:35 pm - 11:05 pm

SAN

BCN

20h 30m

1 stop

9:10 am - 4:45 pm

BCN

SAN

15h 35m

1 stop

$484Lufthansa

Wed, Mar 11 - Wed, Mar 18

KLM flights from San Diego to Barcelona

Our best KLM deals on San Diego to Barcelona flight tickets

KLM

Mar 16

SAN7:00 amSan Diego

16h 00m

1 stop

BCN7:00 amBarcelona-El Prat

Mar 24

BCN6:00 amBarcelona-El Prat

15h 05m

1 stop

SAN1:05 pmSan Diego

$482

KLM

Apr 16

SAN7:00 amSan Diego

16h 45m

1 stop

BCN8:45 amBarcelona-El Prat

Apr 27

BCN5:20 pmBarcelona-El Prat

27h 30m

1 stop

SAN11:50 amSan Diego

$531

KLM

May 4

SAN10:25 pmSan Diego

25h 20m

1 stop

BCN8:45 amBarcelona-El Prat

May 14

BCN10:55 amBarcelona-El Prat

18h 53m

1 stop

SAN8:48 pmSan Diego

$547

Lufthansa flights from San Diego to Barcelona

Our best Lufthansa deals on San Diego to Barcelona flight tickets

Lufthansa

Mar 11

SAN6:35 pmSan Diego

20h 30m

1 stop

BCN11:05 pmBarcelona-El Prat

Mar 20

BCN9:10 amBarcelona-El Prat

23h 04m

2 stops

SAN12:14 amSan Diego

$476

Lufthansa

Feb 23

SAN11:05 amSan Diego

21h 30m

2 stops

BCN5:35 pmBarcelona-El Prat

Mar 2

BCN5:50 amBarcelona-El Prat

24h 01m

2 stops

SAN8:51 pmSan Diego

$478

Lufthansa

Mar 10

SAN6:35 pmSan Diego

20h 30m

1 stop

BCN11:05 pmBarcelona-El Prat

Mar 20

BCN9:10 amBarcelona-El Prat

23h 04m

2 stops

SAN12:14 amSan Diego

$479

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 3/4

6:30 am-11:10 am

2 stops19h 40m

Barcelona-El Prat

Mon 3/9

11:30 am-9:59 pm

1 stop18h 29m

$473

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 3/11

6:35 pm-11:05 pm

1 stop20h 30m

Barcelona-El Prat

Fri 3/20

9:10 am-12:14 am

2 stops23h 04m

$476

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 2/23

7:00 am-8:00 am

1 stop16h 00m

Barcelona-El Prat

Tue 3/10

9:30 am-8:48 pm

1 stop19h 18m

$477

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 2/23

6:00 pm-5:55 pm

1 stop14h 55m

Barcelona-El Prat

Wed 3/11

9:35 am-6:23 pm

1 stop16h 48m

$478

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 3/10

6:35 pm-5:35 pm

1 stop15h 00m

Barcelona-El Prat

Fri 3/20

7:40 am-12:14 am

2 stops24h 34m

$479

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 3/11

11:03 am-11:05 pm

2 stops28h 02m

Barcelona-El Prat

Fri 3/20

7:40 am-12:14 am

2 stops24h 34m

$480

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 2/23

10:30 pm-9:00 am

1 stop25h 30m

Barcelona-El Prat

Sun 3/8

10:30 am-2:41 pm

1 stop37h 11m

$481

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 3/16

7:00 am-7:00 am

1 stop16h 00m

Barcelona-El Prat

Tue 3/24

6:00 am-1:05 pm

1 stop15h 05m

$482

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 3/10

2:11 pm-11:05 pm

2 stops24h 54m

Barcelona-El Prat

Fri 3/20

7:40 am-12:14 am

2 stops24h 34m

$483

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 3/11

6:35 pm-11:05 pm

1 stop20h 30m

Barcelona-El Prat

Wed 3/18

9:10 am-4:45 pm

1 stop15h 35m

$484

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Barcelona?

The month of November is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $632. If you don’t want to visit Barcelona in November, then you should wait until January to fly from San Diego, when ticket prices are also cheap, with an average price of $634.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $812 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $717 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Fastest flight time	15h 00m
Direct flights	None

The fastest flight from San Diego to Barcelona takes 15h 00m

There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.

Search flight deals

How far is San Diego to Barcelona by plane?
The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 15h 00m.
When did momondo last update prices for flights from San Diego Airport to Barcelona?
Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Barcelona?
The number of operators available for flights from San Diego Airport to Barcelona is 8 as of January 2026.
How old do you have to be to fly from San Diego Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $465	Free Cancellation	Rating 6.8 7,749 reviews	Search Lufthansa flights
KLM	PriceFrom $483	Free Cancellation	Rating 7.7 1,443 reviews	Search KLM flights
Iberia	PriceFrom $492	Free Cancellation	Rating 7.0 3,099 reviews	Search Iberia flights
Delta	PriceFrom $493	Free Cancellation	Rating 7.9 8,121 reviews	Search Delta flights
Air Canada	PriceFrom $528	Free Cancellation	Rating 7.1 10,660 reviews	Search Air Canada flights
British Airways	PriceFrom $539	Free Cancellation	Rating 6.7 7,702 reviews	Search British Airways flights
United Airlines	PriceFrom $542	Free Cancellation	Rating 7.4 9,207 reviews	Search United Airlines flights
American Airlines	PriceFrom $601	Free Cancellation	Rating 7.2 11,198 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.